I have a small grouping with paperwork but no MACR for CPL Leonard L. Butenas SN: 15132766 a gunner from 345 bomb squadron, 98 bomb group. I have the IDPR but can't figure out which B-24 he was on or the circumstances of his death.

I know he was lost on 22 March 1945 and the target was Vienna SE Communications. I have a mission record for mission 400 with the following info: